Would be hard to have clips unless marvel and sony are working together.

Cameo stuff could still happen, it isn't unheard of for that kind of thing to happen in movies. Ray Nicolette played by Michael Keaton in the movie Jackie Brown is also in the movie Out of Sight.

Film companies aren't like Crips and Bloods. If they can make an extra buck joining forces, anything is possible regardless of rights, which mean nothing if both parties agree to collaborate for the common good of ripping bills out your pocket.